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Finding the Fourth Proportional to 99,690.01, 137,573.29 and 54,367.62

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Solution

The fourth proportional to 99,690.01, 137,573.29 and 54,367.62 is: 75,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,690.01 : 137,573.29 = 54,367.62 : x
  2. Step 2: Convert to fraction form
    99,690.01/137,573.29 = 54,367.62/x
  3. Step 3: Cross multiply
    99,690.01x = 137,573.29 × 54,367.62
  4. Step 4: Simplify right side
    99,690.01x = 7,479,532,372.96
  5. Step 5: Solve for x
    x = 7,479,532,372.96/99,690.01
  6. Step 6: Final answer
    x = 75,027.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.